High precision angular contact ball bearing, moulded polyamide cage centred on balls

In the ball bearing and high precision bearing ranges, the high precision angular contact ball bearing solves the maximum reliability constraints with increased performance in terms of rigidity, speed, capacity and precision. This bearing is recommended for demanding applications in terms of precision such as machine tool spindles. NTN-SNR is getting under ranges dedicated to requirements of speed, sealing, specific greasing, etc.


3D file

Technical datasheet

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d - Internal diameter17 mm
D - External diameter35 mm
B - Bearing/Inner ring width10 mm
d1 - External diameter inner ring23 mm
d2 - External diameter inner ring21,6 mm
D1 - Inner diameter outer ring29 mm
D2 - Inner diameter outer ring32 mm
a - Charge load application point11,1 mm
α - Contact angle25 °
rs - Min fillet radius0,3 mm
r1s - Min fillet radius0,15 mm
Precision classP42
Mass0,037 kg
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C0 - Static load4,35 kN
f0 - Coefficient14.1
Nlim - Oil lubrication limit speed63100 tr/min
Nlim - Grease lubrication limit speed39000 tr/min
Preload levelGN
Preload value0,078 kN
Axial rigidity64,2 N/µm
Radial rigidity133,6 N/µm
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
FTF - Characteristic cage frequency0,403 Hz
BSF - Characteristic rolling element frequency4,508 Hz
BPFO - Characteristic outer ring frequency4,436 Hz
BPFI - Characteristic inner ring frequency6,564 Hz
da min - Min shoulder diameter IR19,5 mm
Da max - Max shoulder diameter OR32,5 mm
Db max - Max OR shoulder diameter33,8 mm
r1a - Max fillet radius0,15 mm
ra max - Max shaft & housing fillet radius0,3 mm
Product classification image
Calcul factors image